// Copyright (C) 2014 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-runtime-semantics-classdefinitionevaluation
description: >
  IsConstructor check is performed before "prototype" lookup.
  Generator functions are not constructors (MakeConstructor is not called on them).
info: |
  ClassDefinitionEvaluation

  [...]
  5. Else,
    [...]
    d. Let superclass be ? GetValue(superclassRef).
    e. If superclass is null, then
      [...]
    f. Else if IsConstructor(superclass) is false, throw a TypeError exception.
features: [generators, class, Proxy]
---*/

function Test() {
    function* fn() {}

    assert.throws(TypeError, function() {
      class A extends fn {}
    });

    var bound = (function* () {}).bind();
    Object.defineProperty(bound, "prototype", {
      get: function() {
        throw new Test262Error("`superclass.prototype` is unreachable");
      },
    });

    assert.throws(TypeError, function() {
      class C extends bound {}
    });

    var proxy = new Proxy(function* () {}, {});

    assert.throws(TypeError, function() {
      class C extends proxy {}
    });
}

// preheat
const NUMBER_OF_PREHEAT = 1;
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}

ArkTools.jitCompileAsync(Test);
assert.sameValue(ArkTools.waitJitCompileFinish(Test), true, '[JIT] JIT disabled.');

// test
const NUMBER_OF_TEST = 1; // or 2
for (let i = 0; i < NUMBER_OF_TEST; i++) {
    Test();
}
